Home / 7,484.12-10,327.91-4,126.87

Finding the Fourth Proportional to 7,484.12, 10,327.91 and 4,126.87

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Solution

The fourth proportional to 7,484.12, 10,327.91 and 4,126.87 is: 5,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.12 : 10,327.91 = 4,126.87 : x
  2. Step 2: Convert to fraction form
    7,484.12/10,327.91 = 4,126.87/x
  3. Step 3: Cross multiply
    7,484.12x = 10,327.91 × 4,126.87
  4. Step 4: Simplify right side
    7,484.12x = 42,621,869.67
  5. Step 5: Solve for x
    x = 42,621,869.67/7,484.12
  6. Step 6: Final answer
    x = 5,694.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.